LiDu, a list-wise uncertainty based on pairwise ranking probabilities, is more correlated with Top-N recommendation performance than training loss and QPP baselines.
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Are Recommenders Self-Aware? Label-Free Recommendation Performance Estimation via Model Uncertainty
LiDu, a list-wise uncertainty based on pairwise ranking probabilities, is more correlated with Top-N recommendation performance than training loss and QPP baselines.